Wake effects are important. Please calaculate OK wake effect 94% That's not too bad ! Remember: Offshore wake decay is different Low turbulence: Probably 0.04 What ! That's bad ! Compromize: Wake induced turbulence included Wake decay 0.05 OK â what is it? OK wake effect 88% OK wake effect 90%
Steel Mills Use Manganese: The most important use of manganese is in the manufacturing of steel. Manganese gives the steel strength and hardness. Without manganese, the steel used to make armor plate, crusher jaws, and impact tools would not be as durable. Image Â© iStockphoto / Huyangshu.
The most common ores of manganese are pyrolusite, manganite, psilomelane, and rhodochrosite. Manganese is also found mixed with iron ores. The largest producers of manganese ore in the world are China, South Africa, the Ukraine, Brazil, Australia, Gabon, and Kazakstan. Manganese also occurs abundantly on the ocean floor in the form of nodules. These nodules are fairly large lumps of metallic ores.